body{
    background-color: rgb(223, 223, 223);
}

.choose{
    width: 80%;
    height: 120px;
    margin: 20px auto 50px auto;
    padding: 5px ;
    background-color: #fff;
    position: relative;
    z-index: 1;
}

.choose li{
    width: 80px;
    float: left;
    margin: 10px 10px;
    list-style: none;
    text-align: center;
    padding: 5px;
}
.choose li a{

    font-size: 15px;

    color: black;
}

.choose li:hover{

    background-color: red;
}

.choose li:hover a{

   color: white;
}


.content{
    width: 100%;
    height: 1300px;
    margin: auto;
    margin-top: 10px;

    
}
.mid{
    width: 80%;
    height: 180vh;
    
    margin: auto;
    /* text-align: center; */

}
.mv{

    width: 270px;
    height: 350px;
    background-color: rgb(255, 255, 255);
    float: left;
    margin-bottom: 20px;

    
}
.mv:hover{
    box-shadow: 4px 4px 15px rgb(98, 98, 98);
    transition: all ease-in 0.2s;
}


.video_img{
    width: auto;
    height: 160px;
    background-size: cover;
    background-repeat: no-repeat;
    cursor: pointer;
    position: relative;
}

.mask{
    width: auto;
    height: 140px;
    background-color: rgba(0, 0, 0, 0);
    padding: 10px;
    color: white;
    font-size: 10px;
    display: none;


}

.video_img:hover .mask{
    display: block;
    background-color: rgba(0, 0, 0, 0.52);
    transition:all 0.3s;
}

.time{
    color: rgb(224, 224, 224);
    position: absolute;
    bottom: 0;
    right: 0;
    margin-right: 5px;
    margin-bottom: -10px;

}


.name{
    width: auto;
    height: 34px;
    line-height:30px;
    font-weight: bolder;
    padding: 10px;
    padding-bottom: 0px;
    font-size: 15px;
}

.type{
    width: auto;
    height: 34px;
    line-height:30px;
    padding-left: 10px;
    font-size: 14px;
    color: rgb(182, 182, 182);
}
.play{
    width: auto;
    height: 34px;
    margin-top: 15px;
}



.view{
    width: 103px;
    height: auto;


}

.view_img{
    width: 20px;
    height: 20px;
    background:url(../img/view.png);
    background-size: 20px;
    background-repeat: no-repeat;
    padding: 5px;
    margin-left: 10px;
    float: left;
}

.view_num{
    width: auto;
    height: auto;
    line-height:18px;
    font-size: 10px;
    color: rgb(182, 182, 182);

    float: left;
}
.like_img{
    width: 20px;
    height: 20px;
    background:url(../img/likes.png);
    background-size: 15px;
    background-repeat: no-repeat;
    padding: 5px;
    margin-left: 30px;

    float: left;

}
.like_num{
    width: auto;
    height: auto;
    line-height:18px;
    font-size: 10px;
    color: rgb(182, 182, 182);
    float: left;
}

.author{
    width: auto;
    height: 44px;
    margin-top: 8px;
    border-top: rgb(192, 192, 192) 1px solid;
}

.author_img{
    width: 30px;
    height: 30px;
    border-radius: 23px;
    background: url(../img/right.jpg);
    background-size: 30px;
    margin-top: 12px;
    margin-left: 20px;
    float: left;
}
.author_name{
    width: auto;
    height: auto;
    line-height:27px;
    font-size: 14px;
    color: rgb(0, 0, 0);
    float: left;
    margin-top: 12px;
    margin-left: 10px;
}

.pages{
    width: 500px;
    height: 50px;
    margin: 50px auto;
    padding: 15px;
}

.page{
    width: 20px;
    height: 20px;
    background-color: white;
    float: left;
    margin-left: 10px;
    text-align: center;
    padding: 15px;
}
.page:hover{
    background-color: rgb(255, 171, 74);
    transition: all 0.3s;
}
.foot{
    width: 80%;
    height: 300px;
    border-top: rgb(143, 143, 143) 1px solid;
    margin: 50px auto ;
}